243630681200 has 60 divisors (see below), whose sum is σ = 587548526928. Its totient is φ = 97081689600.

The previous prime is 243630681191. The next prime is 243630681209. The reversal of 243630681200 is 2186036342.

It is an interprime number because it is at equal distance from previous prime (243630681191) and next prime (243630681209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243630681209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1052741 + ... + 1263140.

Almost surely, 2^243630681200 is an apocalyptic number.

243630681200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243630681200 is an abundant number, since it is smaller than the sum of its proper divisors (343917845728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243630681200 is a wasteful number, since it uses less digits than its factorization.

243630681200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316162 (or 2316151 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 243630681200 in words is "two hundred forty-three billion, six hundred thirty million, six hundred eighty-one thousand, two hundred".